3888642 has 8 divisors (see below), whose sum is σ = 7777296. Its totient is φ = 1296212.

The previous prime is 3888629. The next prime is 3888653. The reversal of 3888642 is 2468883.

It is a sphenic number, since it is the product of 3 distinct primes.

3888642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3888642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324048 + ... + 324059.

It is an arithmetic number, because the mean of its divisors is an integer number (972162).

Almost surely, 2^3888642 is an apocalyptic number.

3888642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3888642 is a wasteful number, since it uses less digits than its factorization.

3888642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648112.

The product of its digits is 73728, while the sum is 39.

The square root of 3888642 is about 1971.9639956145. The cubic root of 3888642 is about 157.2531380938.

The spelling of 3888642 in words is "three million, eight hundred eighty-eight thousand, six hundred forty-two".